French Open Day 3: Serena, Djokovic, Nadal advance; Bouchard, Dimitrov upset

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Day 3 is in the books. Here's what you need to know:

Women's Seeds Advancing

No. 1 Serena Williams defeats Andrea Hlavackova 6-2, 6-3
No. 4 Petra Kvitova defeats Marina Erakovic 6-4, 3-6, 6-4
No. 5 Caroline Wozniacki defeats Karin Knapp 6-3, 6-0
No. 10 Andrea Petkovic defeats Shelby Rogers 6-2, 6-1
No. 16 Madison Keys defeats Varvara Lepchenko 7-6, 6-3
No. 18 Svetlana Kuznetsova defeats Kiki Bertens 6-1, 4-6, 6-2
No. 23 Timea Bacsinszky defeats Lara Arruabarrena-Vecino 6-3, 6-4
No. 32 Zarina Diyas defeats Dinah Pfizenmaier 6-4, 6-1

Notes: Williams' response to winning her 15th consecutive Grand Slam match: "Yay! Okay." ... Kvitova struggled, needing three breaks in a deciding third set to advance past 82nd-ranked Erakovic. ... Kvitova said: "It was very difficult today. It was quite a long match, a big fight. Sometimes I couldn't win my serve. But that's how it is in the first round of Grand Slams. I'm just glad I'm still in and still playing.'' ... Wozniacki cruised to victory after a slow start, committing only nine unforced errors compared to Knapp's 50.

Related: VIDEO: Serena survives laughing fit on way to Round 1 victory

Women's Seeds Upset

Kristina Mladenovic defeats No. 6 Eugenie Bouchard 6-4, 6-4
Sesil Karatancheva upsets No. 25 Jelena Jankovic 6-3, 6-4

Notes: Bouchard's nightmare 2015 continues, as she's now lost eight of her last nine matches. After making the semifinals at Roland Garros last year, the Canadian will fall out of the top eight - and perhaps the top 10 - in the WTA rankings thanks to her first-round exit.

Men's Seeds Advancing

No. 1 Novak Djokovic defeats Jarkko Nieminen 6-2, 7-5, 6-2
No. 6 Rafael Nadal defeats Quentin Halys 6-3, 6-3, 6-4
No. 7 David Ferrer defeats Lukas Lacko 6-1, 6-3, 6-1
No. 9 Marin Cilic defeats Robin Haase 6-2, 6-4, 6-2
No. 15 Kevin Anderson defeats Tim Smyczek 6-4, 6-4, 6-2
No. 16 John Isner defeats Andreas Seppi 7-5, 6-2, 6-3
No. 20 Richard Gasquet defeats Germain Gigougon 6-3, 6-4, 6-0
No. 23 Leonardo Mayer defeats Jiri Vesely 3-6, 7-6, 6-3, 5-7, 6-2
No. 29 Richard Gasquet defeats Germain Gigougon 6-3, 6-4, 6-0

Related: The Big 1: Novak Djokovic looks to put a jewel in his crown at Roland Garros

Notes: Djokovic's win was his 23rd in a row, and he improves to 36-2 in 2015. ... The 10 games won by Halys in his match with Nadal is a new record for players outside the top 100 facing the Spaniard on clay. ... After the match, Nadal admitted asking the ATP to remove umpire Carlos Bernardes from his matches, citing an incident involving his shorts. ... Nadal improved to 67-1 lifetime at Roland Garros, and has won 36 in a row at the tournament. ... Ferrer became the second active player to reach 300 career wins on clay with his first-round victory.

Related: VIDEO: Janowicz and Hamou's awkward post-match handshake

Men's Seeds Upset

Jack Sock defeats No. 10 Grigor Dimitrov 7-6, 6-2, 6-3

Notes: The 22-year-old Sock was very impressive in his win over 10th-ranked Dimitrov firing 136 mph (220 kph) serves at the Bulgarian while winning the point on 19 of 25 trips to the net.